Capture screenshots on Windows using mss and Pillow. Provides full-screen, region, and multi-monitor capture with output as PIL Image, PNG file, or base64 string. Use when the user asks to take screenshots, capture screen content, get screen info, or needs screen images for AI vision APIs.

使用 mss 和 Pillow 在 Windows 上截取屏幕截图，支持全屏、区域和多显示器截取，输出格式为 PIL 图像、PNG 文件或 Base64 字符串。当用户请求截取屏幕、捕获屏幕内容、获取屏幕信息或需要屏幕图像用于 AI 视觉 API 时使用。